package Fourth;

public class mg {}
interface Runner{
    int ID=1;
    void run();
}
interface Animal extends Runner{
    void breathe();
}
 class Fish implements Animal{

     @Override
     public void breathe() {
         System.out.println("fish is bubbling");
     }
     public void run(){
         System.out.println("fish is swimming");
     }
 }
 abstract class LandAnimal implements Animal{
    public void breathe(){}
 }
